(19)
(11) EP 0 442 646 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.01.1992 Bulletin 1992/02

(43) Date of publication A2:
21.08.1991 Bulletin 1991/34

(21) Application number: 91300922.1

(22) Date of filing: 05.02.1991
(51) International Patent Classification (IPC)5: F28F 9/02, F28D 1/053
(84) Designated Contracting States:
AT DE ES FR GB IT NL SE

(30) Priority: 12.02.1990 US 478626

(71) Applicant: Modine Manufacturing Company
Racine Wisconsin 53401 (US)

(72) Inventor:
  • Hughes, Gregory Gerald
    Milwaukee, Wisconsin 53220 (US)

(74) Representative: Allden, Thomas Stanley et al
A.A. THORNTON & CO. Northumberland House 303-306 High Holborn
London WC1V 7LE
London WC1V 7LE (GB)


(56) References cited: : 
   
       


    (54) Multipass evaporator


    (57) The performance of an evaporator made up of a plurality of heat exchange modules or units each having elongated, parallel upper and lower headers (14, 30) and a plurality of tubes (40) mounted between the headers (14, 30) with fins (44) extending between adjacent tubes (40) may be improved through the use of upper and lower manifolds (20, 36) wherein the upper manifold (20) is in communication with the upper headers (14) at one end (19) thereof and the lower manifold (36) is in fluid communication with the lower headers (30) at an end (34) thereof corresponding to the one end (19).






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